Home / 1,555,621.40-2,333,432.10-971,546.60

Finding the Fourth Proportional to 1,555,621.40, 2,333,432.10 and 971,546.60

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Solution

The fourth proportional to 1,555,621.40, 2,333,432.10 and 971,546.60 is: 1,457,319.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,621.40 : 2,333,432.10 = 971,546.60 : x
  2. Step 2: Convert to fraction form
    1,555,621.40/2,333,432.10 = 971,546.60/x
  3. Step 3: Cross multiply
    1,555,621.40x = 2,333,432.10 × 971,546.60
  4. Step 4: Simplify right side
    1,555,621.40x = 2,267,038,023,085.86
  5. Step 5: Solve for x
    x = 2,267,038,023,085.86/1,555,621.40
  6. Step 6: Final answer
    x = 1,457,319.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.